Finding the Fourth Proportional to 1,717.39, 2,369.89 and 1,054.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,717.39 : 2,369.89 = 1,054.09 : x
2. Step 2: Convert to fraction form
   1,717.39/2,369.89 = 1,054.09/x
3. Step 3: Cross multiply
   1,717.39x = 2,369.89 × 1,054.09
4. Step 4: Simplify right side
   1,717.39x = 2,498,077.35
5. Step 5: Solve for x
   x = 2,498,077.35/1,717.39
6. Step 6: Final answer
   x = 1,454.58